You walked inside your brothers room (bangchan) and you saw him and his friend talking,one of his friend (Changbin) saw you and said

Changbin:Oh you must be changbin's sister? Lee know,han,Felix,hyunjin, seungmin, jeongin also noticed you when he asked

Before you could answer his question,bangchan pulled you and whispers "don't answer it,if you don't listen I'll hit you"